cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A169908 a(n) = n*n in carryless digital root arithmetic in base 10.

Table of values

n a(n)
0 0
1 1
2 4
3 9
4 7
5 7
6 9
7 4
8 1
9 9
10 100
11 121
12 144
13 169
14 187
15 117
16 139
17 154
18 171
19 199
20 400
21 441
22 484
23 439
24 477
25 427
26 469
27 414
28 451
29 499
30 900
31 961
32 934
33 999
34 967
35 937
36 999
37 964
38 931
39 999
40 700
41 781
42 774
43 769
44 757
45 747
46 739
47 724
48 711
49 799
50 700
51 711
52 724
53 739
54 747
55 757

List of values

[0, 1, 4, 9, 7, 7, 9, 4, 1, 9, 100, 121, 144, 169, 187, 117, 139, 154, 171, 199, 400, 441, 484, 439, 477, 427, 469, 414, 451, 499, 900, 961, 934, 999, 967, 937, 999, 964, 931, 999, 700, 781, 774, 769, 757, 747, 739, 724, 711, 799, 700, 711, 724, 739, 747, 757]